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Searched refs:beta0 (Results 1 – 2 of 2) sorted by relevance

/external/webrtc/webrtc/modules/audio_processing/intelligibility/
Dintelligibility_enhancer.cc344 float alpha0, beta0, gamma0; in SolveForGainsGivenLambda() local
347 beta0 = lambda * var_x0[n] * (2 - rho_[n]) * var_x0[n] * var_n0[n]; in SolveForGainsGivenLambda()
351 (-beta0 - sqrtf(beta0 * beta0 - 4 * alpha0 * gamma0)) / (2 * alpha0); in SolveForGainsGivenLambda()
353 sols[n] = -gamma0 / beta0; in SolveForGainsGivenLambda()
/external/speex/libspeex/
Dmdf.c144 spx_word16_t beta0; member
436 st->beta0 = DIV32_16(SHL32(EXTEND32(st->frame_size), 16), st->sampling_rate); in speex_echo_state_init_mc()
439 st->beta0 = (2.0f*st->frame_size)/st->sampling_rate; in speex_echo_state_init_mc()
1080 tmp32 = MULT16_32_Q15(st->beta0,Syy); in speex_echo_cancellation()
1241 st->beta0 = DIV32_16(SHL32(EXTEND32(st->frame_size), 16), st->sampling_rate); in speex_echo_ctl()
1244 st->beta0 = (2.0f*st->frame_size)/st->sampling_rate; in speex_echo_ctl()